Bedienungsanleitung DeWalt DCE0811R (Seite 12 von 126) (Deutsch, Englisch, Holländisch, Dänisch, Französisch, Italienisch, Portugiesisch, Spanisch, Türkisch, Schwedisch, Norwegisch, Finnisch)

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GB Checking Accuracy –

Vertical Beam (See Figure 9)

Checking the vertical (plumb) calibration of the laser can be

most accurately done when there is a substantial amount of

vertical height available, ideally 30’ (9m), with one person on

the oor positioning the laser and another person near a ceiling

to mark the position of the beam. It is important to conduct

a calibration check using a distance no shorter than the distance

of the applications for which the tool will be used.

1. Place the laser on a smooth, at, stable surface that is level

in both directions and turn on both vertical beams (Figure

9 #1).

2. Mark two short lines where the beams cross ( a, b) and

also on the ceiling c, d. Always mark the center of the

beams’ thickness (Figure 9 #2).

3. Pick up and rotate the laser 180 º, and position it so the

beams line up with the marked lines on the level surface

(e, f) (Figure 9 #3).

4. Mark two short lines where the beams cross on the

ceiling g, h.

5. Measure the distance between each set of marked lines

on the ceiling ( c, g and d, h). If the measurement

is greater than the values shown below, the laser must be

serviced at an authorized service center.

Ceiling Height

Allowable Distance

Between Marked Lines

2.5 m (8’) 1.5 mm (1/16”)

3 m (10’) 2.0 mm (3/32”)

4 m (14’) 2.5 mm (1/8”)

6 m (20’) 4 mm (5/32”)

9 m (30’) 6 mm (1/4”)

Checking 90º Accuracy Between Vertical Beams

(DCE089R/G) (See Figure 10 )

Checking 90º accuracy requires an open oor area at least 10m

x 5m (33’ x 18’). Refer to Figure 10 for the position of the laser

at each step and for the location of the marks made at each

step. Always mark the center of the beams’ thickness.

1. Set up the laser on a smooth, at, stable surface that is level

in both directions and turn on the side vertical beam.

2. Mark the center of the beam at three locations

(a, b, c) along the side laser line. Mark b should be at

the midpoint of the laser line (Figure 10 #1).

3. Move the laser to mark b and turn on both vertical beams

(Figure 10 #2).

4. Position the beam crossing precisely at mark b, with the

side beam aligned with mark a.

5. Mark a location e along the front vertical beam at least 4m

(14’) away from the unit.

6. Rotate the laser cross over mark b so that the beams pass

through marks b and e (Figure 10 #3).

7. Mark the center of the beam f directly above or below a.

8. Measure the distance between marks a and f. If the

measurement is greater than the values shown below, the

laser must be serviced at an authorized service center.

Distance from a to b

Allowable Distance

Between a & f

4 m (14’) 3.5 mm (5/32”)

5 m (17’) 4.5 mm (3/16”)

6 m (20’) 5.5 mm (7/32”)

7 m (23’) 6 mm (1/4”)

Troubleshooting

The Laser Does Not Turn On

• Make sure AA batteries (when used) are installed correctly

according to (+) and (–) on the inside of the battery door.

• Make sure the batteries or rechargeable pack are in proper

working condition. If in doubt, try installing new batteries.

• Make sure that the battery contacts are clean and free of

rust or corrosion. Be sure to keep the laser level dry and use

only new, high-quality, name brand batteries to reduce the

chance of battery leakage.

• If the laser unit is heated above 50 ˚C (120 ˚F), the unit will

not turn on. If the laser has been stored in extremely hot

temperatures, allow it to cool. The laser level will not be

damaged by pressing the on/off button before cooling to its

proper operating temperature.

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